Recently Launched Motorola Smartphone i.e Moto G4 Plus has an hidden LED light , Just like Moto G 3rd Generation .
We still don't know why Motorola hides the led light and there is no option to enable it on the Stock Firmware . Though Motorola provides a feature called Moto Display which works fantastic .
The LED Light is embedded near the Right side of Fingerprint sensor . The LED only pops up when the Smartphone is charged .
Here's a video by Maurson Technology , which shows the hidden LED light on the Moto G4 Plus -